Skateboard



FIG. 1 is a top plan view of a first embodiment of the new design for a skateboard;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an enlarged perspective view from above, to the front and to one side thereof.

The broken lines are for the purpose of illustrating portions of the article that form no part of the claim. 

CLAIM The ornamental design for a skateboard, as shown and described. 